↓ Skip to main content

Growth of the silverside Atherinella brasiliensis in a subtropical estuary with some insights concerning the weight-length relationship

Overview of attention for article published in Anais da Academia Brasileira de Ciências, July 2017
Altmetric Badge

Mentioned by

facebook
1 Facebook page

Citations

dimensions_citation
5 Dimensions

Readers on

mendeley
22 Mendeley
You are seeing a free-to-access but limited selection of the activity Altmetric has collected about this research output. Click here to find out more.
Title
Growth of the silverside Atherinella brasiliensis in a subtropical estuary with some insights concerning the weight-length relationship
Published in
Anais da Academia Brasileira de Ciências, July 2017
DOI 10.1590/0001-3765201720160784
Pubmed ID
Authors

Barbara M DE Carvalho, José Ricardo S Barradas, Nelson F Fontoura, Henry L Spach

Abstract

Specimens of Brazilian silverside (Atherinella brasiliensis, n=9672) with a length range of 1.5 to 14.2 cm were captured in the intertidal areas of the Estuarine Complex of Paranaguá, Brazil, between August 2010 and July 2011. The species' weight-length relationship was represented by the equation W=0.00533 L3.136 with a slightly positive allometry (b>3) and could be divided into two growth stanzas: W = W1 + W2; Stanza 1: W1= SW. (0.005239 L3.152); Stanza 2: W2= (1 - SW). (0.000699 L3.913); Switch-Function: SW = [1 + e1.204 (L - 11.66)]-1. The breakpoint between the first and second stanza (11.66 cm) matches published values for the estimated size at first maturity of adult females. Frequency distributions indicate that the species is present in the shallow areas of the Estuarine Complex of Paranaguá during all phases of its ontogenetic development, with the recruitment of juveniles taking place between October and November. Modal displacement was monitored throughout 12 months. The von Bertalanffy growth model and longevity was estimated as follow: asymptotic length (L∞) of 17.5 cm, growth coefficient (K) of 0.89 (year-1) and longevity (A95) of 3.33 years. We present some considerations with regard to the general methodology for adjusting weight-length relationships.

Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 22 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Brazil 1 5%
Unknown 21 95%

Demographic breakdown

Readers by professional status Count As %
Student > Master 4 18%
Student > Bachelor 4 18%
Student > Ph. D. Student 3 14%
Other 2 9%
Student > Doctoral Student 2 9%
Other 2 9%
Unknown 5 23%
Readers by discipline Count As %
Agricultural and Biological Sciences 7 32%
Environmental Science 6 27%
Psychology 1 5%
Earth and Planetary Sciences 1 5%
Chemistry 1 5%
Other 0 0%
Unknown 6 27%